Types of Mouse and Mouse Connectors

Updated on May 3, 2018
Patkay profile image

Patrick, a computer technician, is a dedicated writer who wishes to make the world better by informing individuals who seek more knowledge.

Types of Mouse Connectors

What is a mouse? A mouse is a device that controls the movement of the cursor (pointer) on a computers display screen. The plural of the mouse is mice. Some old mice have got two buttons, the right and left button while modern ones will have a third scroll button in between the two. To use the mouse, one points and clicks to issue instructions to the computer. It is an important part of the computer as it helps to make our work on the computer easy.

Who Invented The Mouse?

It was invented by Douglas Engelbart of Stanford Research Center in 1963 and then pioneered by Xerox in the 1970s. This invention came as a major breakthrough in computer ergonomics.

A mouse connector is a dedicated socket or interface on the computer for connecting a mouse. Since the invention of the first personal computer by IBM back in 1981, different types of mouse connectors have been developed. Let us have a look at them.

A USB Mouse

A Computer Mouse
A Computer Mouse | Source

Types of Computer Mouse Connectors

A. Bus Mouse

The first type of mouse was connected to the PC by the use of a bus, so it was actually being referred to as the bus mouse. It was used in the early days of the IBM-compatible personal computers.

It connected to the PC through a specialized bus interface implemented via an ISA add-in card. It was superseded by the serial mouse.

ISA Mouse Adapter

ISA mouse adapter for connecting the bus mouse
ISA mouse adapter for connecting the bus mouse | Source

B. Serial Mouse

The serial mouse was connected to the computer via the serial port. A serial port is a physical communication interface through which information is transferred in and out of the computer bit by bit.

The serial port is a D-type 9 pin male port (DB9M) at the back of the motherboard. Its corresponding connector must then be a female connector for them to mate correctly. The serial mouse is obsolete.

The Serial Port

Serial port used by the serial mouse
Serial port used by the serial mouse | Source

C. PS/2 Mouse

The PS/2 mouse is connected to the PS/2 port (green in colour). The PS/2 mouse connector is a 6-pin mini-din connector designed in 1987. It superseded the serial connectors. Its name is derived from the IBM's personal systems/2 series of personal computers, which were introduced in 1987.

This PS/2 mouse port first featured in these PS/2 systems and continued being used in newer designs even after the PS/2 systems were no longer in production. The colour code for the PS/2 port for most computers is usually green.

The PS/2 Ports

PS/2 Ports, green for mouse and purple for keyboard
PS/2 Ports, green for mouse and purple for keyboard | Source

D. USB Mouse

The physical shape and appearance of the USB mouse is similar to the others. The only difference is the connector that connects to a USB port on the back of your PC.

The Universal Serial Bus has to come to replace the PS/2 ports, though most of the computers still have the PS/2 ports. This industry standard was developed in the mid-1990s. It defines the cables, connectors and communication protocols for connection and communication between computers and attached peripheral devices.

The USB port also provides power to the attached device hence eliminating the need for power connectors. It was purely designed to standardize the connection of computer peripherals like mice, keyboards, digital cameras, smartphones, PDAs, Video game consoles, removable disk drives etc.

The USB ports support hot plugging where you connect or remove a device without turning off your computer. It also supports daisy chaining where you can connect 127 USB devices in a single port through the use of a USB hub.

The USB Ports

The USB Ports
The USB Ports | Source

E. Wireless Mouse

This is the latest type of mouse that does not use a cable to connect to the back of your computer. It is a neat type of mouse to use because it eliminates the clutter of cables on your desktop.

Some of the wireless mouses can connect via a USB receiver while others make use of the Bluetooth connection. The mouse is powered by a pair of batteries, usually AA type.

Answer this question

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This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.

Questions & Answers

  • How does a wireless mouse connect to a computer?

    Most wireless mice use radio frequency (RF) technology to send information to your computer. Radio Frequency devices require two main components in order to communicate; a transmitter and a receiver. Here's how the wireless mouse communicates with a computer:

    The transmitter is housed in the mouse and it is powered by a battery that will be found on the underside of the mouse compartment. The transmitter sends an electromagnetic (radio) signal that encodes the information about the mouse's movements and the buttons you click.

    On the other hand, there is a receiver connected to your computer. It accepts the signal, decodes it and passes it on to the mouse driver software and your computer's operating system.

    The receiver, on the other hand, can be a separate device that plugs into your computers' USB port, it can be a special card that you place in an expansion slot or a built-in component.

© 2012 Patrick Kamau


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    • Patkay profile imageAUTHOR

      Patrick Kamau 

      21 months ago from Nairobi, Kenya

      You are welcome oliboo best, keep reading to gain more and thanks for the suppport

    • profile image

      oliboo best 

      22 months ago

      well done patrick thx for the info

    • profile image


      22 months ago

      this information is well

    • profile image


      23 months ago

      It's good for everyone to read. Comprehensive and Entertaining. Nice Efforts.

    • Patkay profile imageAUTHOR

      Patrick Kamau 

      2 years ago from Nairobi, Kenya

      Hello Daggy, an interface is a link or the way you connect a device to the computer. Some of the mouse interfaces are; Serial interface, PS2 Interface, USB, and the Cordless or wireless

    • profile image

      Daggy mkubwa 

      2 years ago

      What are the types of mouse interface...

      Are right and left click,drag and droppart of them?kindly enlighten

    • Patkay profile imageAUTHOR

      Patrick Kamau 

      2 years ago from Nairobi, Kenya

      Wow, Peter, that must be a very old PC, a 486 or Pentium processor. Well, keep it running and hope you preserve it well for future generations.

    • profile image


      2 years ago

      How dare you say the serial mouse is obsolete, lol. I'm still using one on an older PC that doesn't have USB

    • profile image


      2 years ago

      Good information...

    • profile image


      2 years ago

      not helpfull

    • Patkay profile imageAUTHOR

      Patrick Kamau 

      7 years ago from Nairobi, Kenya

      rocky wayligo, You are welcome. I am glad you liked the tutorial. You can check for more informative tutorials. Thanks.

    • profile image

      rocky wayligo 

      7 years ago

      0k! 0k!

    • Patkay profile imageAUTHOR

      Patrick Kamau 

      8 years ago from Nairobi, Kenya

      Thanks a lot Silwen, for reading and commenting. I came up with this review to help new comers in the IT field. I will definitely check that one of optical mice.

    • Silwen profile image


      8 years ago from Europe

      Great review of mouse connectors. It was interesting to read, because I have huge interest in computer engineering. Some time ago I have made a hub about optical mice and how they work. I would appreciate your opinion about that.

      Thank you for sharing this information.


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